Restatement (Tables)

12 Months Ended

Dec. 31, 2015

Restatement

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

A summary of the significant effects of the restatement is as follows:

	Year Ended December 31, 2015
	As Restated			As Previously Reported
	(in millions)
Statements of Consolidated Cash Flows:
Cash Flows from Operating Activities:
Accounts receivable/payable–affiliated companies	$	(89	)	$	223
Net cash provided by operating activities	895			1,207
Cash Flows from Financing Activities:
Increase in notes payable–affiliated companies	312			—
Net cash used in financing activities	(112		)	(424		)